PI6C49021ZDIEX

Clock Generators, PLLs, Frequency Synthesizers Overview

The PI6C49021ZDIEX is a low power high integration clock generator designed for embedded and networking applications with PCIe interfaces. It generates multiple frequencies from a single 25MHz crystal or reference clock input. The device provides three 100MHz HCSL outputs, two 66.667MHz LVCMOS outputs, one 125MHz LVCMOS output, two 50MHz LVCMOS outputs, three 25MHz LVCMOS outputs, two 25MHz LVPECL outputs, and one 24MHz LVCMOS output. It operates on a 3.3V supply voltage within a 48-pin TQFN package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates PLL synthesis and spread spectrum control circuits to generate multi-frequency clocks from a single 25MHz source.
• Includes integrated series termination resistors for the 100MHz PCIe HCSL outputs.
• Supports SMBus interface for software-controlled configuration of outputs and spread spectrum settings.

Clock Generators, PLLs, Frequency Synthesizers Applications

• PCIe interface clock generation
• Networking equipment
• Embedded systems

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify component authenticity through authorized Diodes Incorporated distributors. Confirm the specific ZDIE suffix indicates the 48-pin TQFN package in tape and reel format. Ensure the part meets RoHS compliance requirements for your manufacturing process. Check for any obsolescence notices as this product may be subject to discontinuation.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a single IC solution is required to replace multiple discrete oscillators. It is suitable for designs needing diverse clock frequencies including PCIe, Ethernet, and CPU clocks. Verify that the 48-pin TQFN footprint fits the PCB layout constraints. Ensure the 3.3V supply voltage matches the system power architecture.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the PI6C49021 family of clock generators manufactured by Diodes Incorporated (formerly Pericom). It is specifically engineered for low power consumption in high-density networking and computing environments. The ZDIEX designation specifies the lead-free green packaging and reel shipping method.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct pin-to-pin replacements are not explicitly listed in the provided documentation. Evaluate other PI6C49xxx series devices for similar frequency outputs and package compatibility. Verify electrical characteristics and pin assignments before substitution.

Clock Generators, PLLs, Frequency Synthesizers FAQ

What is the maximum operating supply voltage?

The maximum operating supply voltage is 3.465 V.

How many 100MHz HCSL outputs does the device provide?

The device provides three 100MHz HCSL outputs designated as PCIE0, PCIE1, and PCIE2.

What is the default spread spectrum modulation percentage?

The default spread spectrum modulation is -0.5% down spread.